信息技术服务标准（ITSS）系统中定义的IT服务生命周期为（ ）。
- A.启动过程-规划-执行-结束
- B.规划设计-部署实施-服务运营-持续改进-监督管理
- C.规划设计-服务运营-持续改进-监督管理
- D.启动过程-规划过程-执行-监督-收尾
正确答案及解析
正确答案
解析
考查信息技术服务标准（ITSS）。
组成要素（PPTR）：人员（People）、流程（Process）、技术（Technology）、资源（Resource）。
生命周期（PIOIS）：规划设计（Planning & Design）、部署实施（Implementing）、服务运营（Operation）、 持续改进（Improvement）、监督管理（Supervision）。
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